. 2018 Sep;39(9):1689–1695. doi: 10.3174/ajnr.A5745

Table 1:

Qualitative diagnostic scoring of DSA and IA-CBCTA imaging

	Observer 1									Observer 2
	Arterial Feeder		Nidus		Venous Drainage		Overall		Relative CBCTA Diagnostic Value^a	Arterial Feeder		Nidus		Venous Drainage		Overall		Relative CBCTA Diagnostic Value^a
	DSA	CBCTA	DSA	CBCTA	DSA	CBCTA	DSA	CBCTA	Relative CBCTA Diagnostic Value^a	DSA	CBCTA	DSA	CBCTA	DSA	CBCTA	DSA	CBCTA	Relative CBCTA Diagnostic Value^a
1	1	2	0	2	2	2	3	6	3	0	2	0	2	2	2	2	6	4
2	0	2	1	2	2	2	2	6	4	0	2	1	2	2	2	3	6	3
3	1	2	1	2	2	2	4	6	2	0	2	1	2	2	2	3	6	3
4	1	2	0	2	1	2	2	6	4	1	2	0	2	1	2	2	6	4
5	1	2	1	2	2	2	4	6	2	1	2	0	2	2	2	3	6	3
6	2	2	0	2	2	2	4	6	2	2	2	1	2	2	2	5	6	1
7	1	2	1	2	2	2	4	6	2	2	2	1	2	2	2	5	6	1
8	2	2	2	2	0	1	4	5	1	1	2	2	2	0	1	3	5	2
9	2	2	2	2	2	2	6	6	0	2	1	2	2	2	1	6	4	−2
10	2	2	0	2	2	2	4	6	2	1	2	1	2	2	2	4	6	2
P	.02		.009		.157		.007		2	.03		.009		.564		.016		2

τ coefficient = 0.66, P = .018.